Arsenal were without club captain Pierre-Emerick Aubameyang for their Premier League clash against Southampton on Saturday - with Mikel Arteta refusing to go into detail over his omission.The out-of-form striker was left out of the match day squad with his manager citing a "disciplinary breach", and not for the first time following a similar decision back in March.Details have now emerged about the decision taken by staff at the club, with Arteta insisting that the rules have to be followed by everyone.He said when asked about the absence of Aubameyang before the fixture at the Emirates: "Unfortunately due to a disciplinary breach."I think we’ve been very consistent with no negotiables as a team that we have set ourselves as a club, so he’s.
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